THE USER INTERFACE FOR MY LIFE DEVELOPMENT PROJECT


User Interface for My Life Project
DDL to Create Tables

/* ------------------------------------------------------------ */
/* Project name	: My Life                      			*/
/* Author	: Barry Williams    				*/
/* Created on	: August 17th. 2008				*/
/* ------------------------------------------------------------ */
CREATE TABLE [Digital_Assets] (
    [asset_id] UNIQUEIDENTIFIER NOT NULL,
    [activity_id] INTEGER NOT NULL,
    [format_type_code] CHAR(10) NOT NULL,
    [title] VARCHAR(40),
    [url] VARCHAR(255),
    [other_details] VARCHAR(255),
    CONSTRAINT [PK_Digital_Assets] PRIMARY KEY ([asset_id])
)
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CREATE TABLE [Format_Types] (
    [format_type_code] CHAR(10) NOT NULL,
    [format_type_description] VARCHAR(80),
    CONSTRAINT [PK_Format_Types] PRIMARY KEY ([format_type_code])
)
Go
/*     [eg jpg, url] CHAR(1), */
CREATE TABLE [MyActivities] (
    [activity_id] UNIQUEIDENTIFIER NOT NULL,
    [calendar_entry_id] INTEGER,
    [my_id] INTEGER NOT NULL,
    [topic_code] CHAR(10) NOT NULL,
    [activity_date] DATETIME,
    [name] VARCHAR(40),
    [description] VARCHAR(255),
    [activity_url] VARCHAR(255),
    [other_details] VARCHAR(255),  
    CONSTRAINT [PK_MyActivities] PRIMARY KEY ([activity_id])
)
Go
/*   [eg Report an Item on My Life and PDAs] VARCHAR(1), */
CREATE TABLE [MyLife] (
    [my_id] UNIQUEIDENTIFIER NOT NULL,
    [first_name] VARCHAR(40),
    [last_name] VARCHAR(40),
    [nickname] VARCHAR(40),
    [email_address] VARCHAR(255),
    [gender] CHAR(1),
    [city] VARCHAR(40),
    [preferred_language] VARCHAR(40),
    [role] CHAR(10),
    [login_name] VARCHAR(40),
    [password] VARCHAR(40),
    [other_details] VARCHAR(255),
    CONSTRAINT [PK_MyLife] PRIMARY KEY ([my_id])
)
Go
CREATE TABLE [Topics] (
    [topic_code] CHAR(10) NOT NULL,
    [topic_description] VARCHAR(80) NOT NULL,
    CONSTRAINT [PK_Topics] PRIMARY KEY ([topic_code])
)
Go
/*     [eg Gym, Wine] CHAR(1), */
/* ---------------------------------------------------------------------- */
/* Foreign key constraints                                                */
/* ---------------------------------------------------------------------- */
ALTER TABLE [Digital_Assets] ADD CONSTRAINT [Format_Types_Digital_Assets] 
    FOREIGN KEY ([format_type_code]) REFERENCES [Format_Types] ([format_type_code])
GO
ALTER TABLE [Digital_Assets] ADD CONSTRAINT [MyActivities_Digital_Assets] 
    FOREIGN KEY ([activity_id]) REFERENCES [MyActivities] ([activity_id])
GO
ALTER TABLE [MyActivities] ADD CONSTRAINT [MyLife_MyActivities] 
    FOREIGN KEY ([my_id]) REFERENCES [MyLife] ([my_id])
GO
ALTER TABLE [MyActivities] ADD CONSTRAINT [Topics_MyActivities] 
    FOREIGN KEY ([topic_code]) REFERENCES [Topics] ([topic_code])
GO

Barry Williams
August 18th. 2008
Principal Consultant
Database Answers.org



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